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    "# KNN分类模型\n",
    "- 分类:将一个未知归类的样本归属到某一个已知的类群中\n",
    "- 预测:可以根据数据的规律计算出一个未知的数据"
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    "- 概念:\n",
    "  - 简单来说,K-近邻算法采用测量不同特征值之间的距离方法进行分类(k-Nearest Neighbor,KNN)"
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